Vulnerability-Lookup

CNVD-2021-27939

Vulnerability from cnvd - Published: 2021-04-13

Title

MariaDB Connector/C OK数据包内容验证错误漏洞

Description

MariaDB是MariaDB基金会的一套免费开源的数据库管理系统，也是一个采用Maria存储引擎的MySQL分支版本。Connector/C是其中的一个用于将C/C++应用程序连接到MariaDB和MySQL数据库的连接器。 MariaDB Connector/C 3.1.8之前版本中的libmariadb/mariadb_lib.c文件存在安全漏洞，该漏洞源于程序未能正确验证从客户端接收到的数据包。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

MariaDB Connector/C OK数据包内容验证错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13249

Impacted products

Name
MariaDB MariaDB Connector/C <3.1.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13249"
    }
  },
  "description": "MariaDB\u662fMariaDB\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u514d\u8d39\u5f00\u6e90\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u662f\u4e00\u4e2a\u91c7\u7528Maria\u5b58\u50a8\u5f15\u64ce\u7684MySQL\u5206\u652f\u7248\u672c\u3002Connector/C\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u5c06C/C++\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230MariaDB\u548cMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\u5668\u3002\n\nMariaDB Connector/C 3.1.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684libmariadb/mariadb_lib.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u4ece\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27939",
  "openTime": "2021-04-13",
  "patchDescription": "MariaDB\u662fMariaDB\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u514d\u8d39\u5f00\u6e90\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u662f\u4e00\u4e2a\u91c7\u7528Maria\u5b58\u50a8\u5f15\u64ce\u7684MySQL\u5206\u652f\u7248\u672c\u3002Connector/C\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u5c06C/C++\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230MariaDB\u548cMySQL\u6570\u636e\u5e93\u7684\u8fde\u63a5\u5668\u3002\r\n\r\nMariaDB Connector/C 3.1.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684libmariadb/mariadb_lib.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u4ece\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "MariaDB Connector/C OK\u6570\u636e\u5305\u5185\u5bb9\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "MariaDB MariaDB Connector/C \u003c3.1.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13249",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-21",
  "title": "MariaDB Connector/C OK\u6570\u636e\u5305\u5185\u5bb9\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-13249 (GCVE-0-2020-13249)

Vulnerability from cvelistv5 – Published: 2020-05-20 18:48 – Updated: 2024-08-04 12:11

Summary

libmariadb/mariadb_lib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadb_lib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://github.com/mariadb-corporation/mariadb-co…	x_refsource_MISC
https://github.com/mariadb-corporation/mariadb-co…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-27939

CVE-2020-13249 (GCVE-0-2020-13249)

Tags

Sightings

Nomenclature

Related by attack behaviour